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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 501 (Engine Controls/Fuel - Hybrid (LZ1) - Repair Instructions) >> Repair Instructions >> Spark Plug Wire Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2012 GMC Yukon, 2012 Chevrolet Tahoe, and 2012 Cadillac Escalade. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: View of Spark Plug Wires
    GM1707125Courtesy of GENERAL MOTORS COMPANY
  1. If replacing the right side spark plug wire(s), remove the right front wheelhouse liner. Refer to Front Wheelhouse Liner Replacement - Right Side , and remove the right side plug wire(s) through the wheel opening.
  2. Remove the spark plug wire from the spark plug.
    1. Twist the spark plug wire boot a 1/2 turn.
    2. Pull only on the boot in order to remove the wire from the spark plug.
  3. Remove the spark plug wire from the ignition coil.
    1. Twist the spark plug wire boot a 1/2 turn.
    2. Pull only on the boot in order to remove the wire from the ignition coil.
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